Finding the Fourth Proportional to 1,382.19, 1,892.89 and 1,363.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.19 : 1,892.89 = 1,363.96 : x
2. Step 2: Convert to fraction form
   1,382.19/1,892.89 = 1,363.96/x
3. Step 3: Cross multiply
   1,382.19x = 1,892.89 × 1,363.96
4. Step 4: Simplify right side
   1,382.19x = 2,581,826.24
5. Step 5: Solve for x
   x = 2,581,826.24/1,382.19
6. Step 6: Final answer
   x = 1,867.92